发明名称 COUPLING GASKETS AND ASSOCIATED METHODS
摘要 Various embodiments of the present invention provide improved coupling devices for joining pipe ends that have improved sealing performance and manufacturability over known pipe coupling devices. One of the improvements provided by embodiments of the present invention is a unique design of the gasket (40, 70, 160). Various embodiments of the gasket (40, 70, 160) include an innovative pipe interface profile (46A, 46B, 80A, 80B, 190, 172) that improves the manufacturability of the gasket (40, 70, 160) itself and its sealing performance.
申请公布号 WO2009045525(A3) 申请公布日期 2009.05.22
申请号 WO2008US11486 申请日期 2008.10.03
申请人 ANVIL INTERNATIONAL, LP;LIPPKA, SANDRA, M. 发明人 LIPPKA, SANDRA, M.
分类号 F16L21/02;F16L17/025 主分类号 F16L21/02
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